从理论发电到实发的逐项损失序列(辐照转置/IAM/遮挡/失配/线损/逆变器/削峰/可用率),PR 即链条总效率。
Itemized sequence from theoretical to actual yield (transposition, IAM, shading, mismatch, cabling, inverter, clipping, availability); PR is the chain's total efficiency.
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